Minimization of Interchannel Interference E ects in Nyquist-WDM Systems

ABSTRACT: The need of increasing the capacity of current deployed optical networks to perform terabits transmissions has been driven to the development of superchannel systems, (principally based on Nyquist-WDM) to be carried out in flexible grid or gridless scenarios. Nevertheless, one of the main...

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Autores:
Granada Torres, Jhon James
Tipo de recurso:
Doctoral thesis
Fecha de publicación:
2017
Institución:
Universidad de Antioquia
Repositorio:
Repositorio UdeA
Idioma:
spa
OAI Identifier:
oai:bibliotecadigital.udea.edu.co:10495/13239
Acceso en línea:
http://hdl.handle.net/10495/13239
Palabra clave:
Redes ópticas
Interferencia de canales
Nyquist-WDM
Rights
openAccess
License
Atribución-NoComercial-SinDerivadas 2.5 Colombia (CC BY-NC-ND 2.5 CO)
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dc.title.spa.fl_str_mv Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
title Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
spellingShingle Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
Redes ópticas
Interferencia de canales
Nyquist-WDM
title_short Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
title_full Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
title_fullStr Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
title_full_unstemmed Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
title_sort Minimization of Interchannel Interference E ects in Nyquist-WDM Systems
dc.creator.fl_str_mv Granada Torres, Jhon James
dc.contributor.advisor.none.fl_str_mv Cárdenas Soto, Ana María
Guerrero González, Neil
dc.contributor.author.none.fl_str_mv Granada Torres, Jhon James
dc.subject.proposal.spa.fl_str_mv Redes ópticas
Interferencia de canales
Nyquist-WDM
topic Redes ópticas
Interferencia de canales
Nyquist-WDM
description ABSTRACT: The need of increasing the capacity of current deployed optical networks to perform terabits transmissions has been driven to the development of superchannel systems, (principally based on Nyquist-WDM) to be carried out in flexible grid or gridless scenarios. Nevertheless, one of the main issues to be mitigated in these systems is the interchannel interference (ICI), whose effect is intensified when the spectral channel spacing is reduced (for further spectral efficiency increment). In this thesis, we present a study of the ICI effects in Nyquist-WDM systems by means of BER calculation as a function of several system parameters such as: frequency channel spacing, roll-off factor of the digital pulse-shaping filter, laser's linewidth, transmission distance, mark probability of the pseudo-random bit sequence, optical-to-signal noise ratio, among others. Besides, two methods enabling ICI mitigation are proposed: on one hand, a method based on FEC-coded sequence distribution among optical carriers for applications of multiple carriers (superchannels) as a single entity, and on the other hand, a method to perform nonsymmetrical demodulation (NSD) based on the k-means algorithm enabling time-varying distortions mitigation. In contradiction of techniques for ICI mitigation in recent art, these proposals avoid the use of multiple-input multiple-output equalizers or training sequences. Specifically, for NSD approach, information of adjacent channels is not required.
publishDate 2017
dc.date.issued.none.fl_str_mv 2017
dc.date.accessioned.none.fl_str_mv 2020-01-15T02:21:49Z
dc.date.available.none.fl_str_mv 2020-01-15T02:21:49Z
dc.type.spa.fl_str_mv info:eu-repo/semantics/doctoralThesis
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dc.type.local.spa.fl_str_mv Tesis/Trabajo de grado - Monografía - Doctorado
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dc.identifier.citation.spa.fl_str_mv Granada Torres, J. J. (2017). Minimization of Interchannel Interference E ects in Nyquist-WDM Systems (Tesis doctoral). Universidad de Antioquia. Medellín, Colombia.
dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/10495/13239
identifier_str_mv Granada Torres, J. J. (2017). Minimization of Interchannel Interference E ects in Nyquist-WDM Systems (Tesis doctoral). Universidad de Antioquia. Medellín, Colombia.
url http://hdl.handle.net/10495/13239
dc.language.iso.spa.fl_str_mv spa
language spa
dc.rights.*.fl_str_mv Atribución-NoComercial-SinDerivadas 2.5 Colombia (CC BY-NC-ND 2.5 CO)
dc.rights.spa.fl_str_mv info:eu-repo/semantics/openAccess
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spelling Cárdenas Soto, Ana MaríaGuerrero González, NeilGranada Torres, Jhon James2020-01-15T02:21:49Z2020-01-15T02:21:49Z2017Granada Torres, J. J. (2017). Minimization of Interchannel Interference E ects in Nyquist-WDM Systems (Tesis doctoral). Universidad de Antioquia. Medellín, Colombia.http://hdl.handle.net/10495/13239ABSTRACT: The need of increasing the capacity of current deployed optical networks to perform terabits transmissions has been driven to the development of superchannel systems, (principally based on Nyquist-WDM) to be carried out in flexible grid or gridless scenarios. Nevertheless, one of the main issues to be mitigated in these systems is the interchannel interference (ICI), whose effect is intensified when the spectral channel spacing is reduced (for further spectral efficiency increment). In this thesis, we present a study of the ICI effects in Nyquist-WDM systems by means of BER calculation as a function of several system parameters such as: frequency channel spacing, roll-off factor of the digital pulse-shaping filter, laser's linewidth, transmission distance, mark probability of the pseudo-random bit sequence, optical-to-signal noise ratio, among others. Besides, two methods enabling ICI mitigation are proposed: on one hand, a method based on FEC-coded sequence distribution among optical carriers for applications of multiple carriers (superchannels) as a single entity, and on the other hand, a method to perform nonsymmetrical demodulation (NSD) based on the k-means algorithm enabling time-varying distortions mitigation. In contradiction of techniques for ICI mitigation in recent art, these proposals avoid the use of multiple-input multiple-output equalizers or training sequences. Specifically, for NSD approach, information of adjacent channels is not required.126application/pdfspainfo:eu-repo/semantics/draftinfo:eu-repo/semantics/doctoralThesishttp://purl.org/coar/resource_type/c_db06https://purl.org/redcol/resource_type/TDTesis/Trabajo de grado - Monografía - Doctoradohttp://purl.org/coar/version/c_b1a7d7d4d402bcceAtribución-NoComercial-SinDerivadas 2.5 Colombia (CC BY-NC-ND 2.5 CO)info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/2.5/co/http://purl.org/coar/access_right/c_abf2https://creativecommons.org/licenses/by-nc-nd/4.0/Minimization of Interchannel Interference E ects in Nyquist-WDM SystemsMedellín, ColombiaRedes ópticasInterferencia de canalesNyquist-WDMDoctor en Ingeniería ElectrónicaDoctoradoFacultad de Ingeniería. Doctorado en Ingeniería ElectrónicaUniversidad de AntioquiaCC-LICENSElicense_urllicense_urltext/plain; charset=utf-849http://bibliotecadigital.udea.edu.co/bitstream/10495/13239/3/license_url4afdbb8c545fd630ea7db775da747b2fMD53license_textlicense_texttext/html; charset=utf-80http://bibliotecadigital.udea.edu.co/bitstream/10495/13239/4/license_textd41d8cd98f00b204e9800998ecf8427eMD54license_rdflicense_rdfapplication/rdf+xml; charset=utf-80http://bibliotecadigital.udea.edu.co/bitstream/10495/13239/5/license_rdfd41d8cd98f00b204e9800998ecf8427eMD55LICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://bibliotecadigital.udea.edu.co/bitstream/10495/13239/6/license.txt8a4605be74aa9ea9d79846c1fba20a33MD56ORIGINALGranadaTorres_2017_MinimizationofInterchannel.pdfGranadaTorres_2017_MinimizationofInterchannel.pdfTesis doctoralapplication/pdf6551877http://bibliotecadigital.udea.edu.co/bitstream/10495/13239/1/GranadaTorres_2017_MinimizationofInterchannel.pdf98f541ddc489cc44ae836e55f4cd3ceaMD5110495/13239oai:bibliotecadigital.udea.edu.co:10495/132392021-05-21 11:45:25.692Repositorio Institucional Universidad de Antioquiaandres.perez@udea.edu.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